Melotte (Mel)

Mel 2
Mel 2
Mel 2

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 0.8x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 2.487 "/Pixel
Image size: 2739 x 1947
Number of images: 40 x 60s
Total exposure time: 40 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 6
Mel 6
Mel 6

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 0.8x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 2.487 "/Pixel
Image size: 2185 x 1657
Number of images: 62 x 60s
Total exposure time: 1 h 02 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 7
Mel 7
Mel 7

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 0.8x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 2.487 "/Pixel
Image size: 2185 x 1657
Number of images: 62 x 60s
Total exposure time: 1 h 02 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 8
Mel 8
Mel 8

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 0.8x
Camera: ZWO ASI294MC
Chip temperature: 23°C
Gain: 120
Offset: 30
Binning: 1x1
Filter: IR-Blocking filter
Image scale: 2.487 "/Pixel
Image size:
Number of images: 14 x 60s
Total exposure time: 14 min
Number of darks, flats, darkflats: 15, 15, 15
Processing software: PixInsight

Mel 12
Mel 12
Mel 12

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 0.8x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 2.487 "/Pixel
Image size: 4144 x 2822
Number of images: 46 x 60s
Total exposure time: 46 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 13
Mel 13
Mel 13

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: IR-Blocking filter
Image scale: 1.990 "/Pixel
Image size: 2306 x 1498
Number of images: 160 x 30s
Total exposure time: 1 h 20 min
Number of darks, flats, darkflats: 20, 20, 20
Processing software: PixInsight

Mel 14
Mel 14
Mel 14

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: IR-Blocking filter
Image scale: 1.990 "/Pixel
Image size: 2306 x 1498
Number of images: 160 x 30s
Total exposure time: 1 h 20 min
Number of darks, flats, darkflats: 20, 20, 20
Processing software: PixInsight

Mel 15
Mel 15
Mel 15

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 0.8x
Camera: ZWO ASI294MC
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: UHC, IR-Blocking filter
Image scale: 2.487 "/Pixel
Image size: 2553 x 3525
Number of images: 85 x 180s
Total exposure time: 4 h 15 min
Number of darks, flats, darkflats: 20, 20, 20
Processing software: PixInsight, GIMP, SiriL

Mel 16
Mel 16
Mel 16

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Nikon 2216 AF-S DX 18-300 mm
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-eXtreme 2"
Image scale: 5.685 "/Pixel
Image size: 3669 x 2527
Number of images: 156 x 180s
Total exposure time: 7 h 48 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight, GIMP

Mel 17
Mel 17
Mel 17

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC
Chip temperature: 22°C
Gain: 120
Offset: 20
Binning: 1x1
Filter: IR-Blocking filter
Image scale: 1.990 "/Pixel
Image size: 1834 x 1202
Number of images: 15 x 60s
Total exposure time: 15 min
Number of darks, flats, darkflats: 15, 15, 15
Processing software: PixInsight

Mel 20
Mel 20
Mel 20

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Nikon 2216 AF-S DX 18-300 mm
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 7.828 "/Pixel
Image size: 3814 x 2762
Number of images: 44 x 60s
Total exposure time: 44 min
Number of darks, flats, darkflats: 20, 30, 30
Processing software: PixInsight

Mel 22
Mel 22
Mel 22

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 0.8x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 2.487 "/Pixel
Image size: 4127 x 2818
Number of images: 147 x 60s
Total exposure time: 2 h 27 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 23
Mel 23
Mel 23

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Nikon 2216 AF-S DX 18-300 mm
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-eXtreme 2"
Image scale: 5.618 "/Pixel
Image size: 3409 x 2582
Number of images: 112 x 180s
Total exposure time: 5 h 36 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight, SiriL

Mel 25
Mel 25
Mel 25

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Nikon 2216 AF-S DX 18-300 mm
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 7.828 "/Pixel
Image size: 3404 x 2352
Number of images: 44 x 60s
Total exposure time: 44 min
Number of darks, flats, darkflats: 20, 30, 30
Processing software: PixInsight

Mel 27
Mel 27
Mel 27

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 1.965 "/Pixel
Image size: 2381 x 1627
Number of images: 15 x 45s
Total exposure time: 11 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 28
Mel 28
Mel 28

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 1.965 "/Pixel
Image size: 2442 x 1658
Number of images: 41 x 45s
Total exposure time: 31 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 31
Mel 31
Mel 31

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Nikon 2216 AF-S DX 18-300 mm
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2", Optolong L-eXtreme 2"
Image scale: 5.618 "/Pixel
Image size: 2717 x 2134
Number of images: 45 x 60s RGB, 139 x 60s Ha/OIII
Total exposure time: 3 h 04 min
Number of darks, flats, darkflats: 20, 20, 20 / 20, 20, 20
Processing software: PixInsight, GIMP

Mel 32
Mel 32
Mel 32

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 1.965 "/Pixel
Image size: 3144 x 2059
Number of images: 66 x 45s
Total exposure time: 49.5 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 33
Mel 33
Mel 33

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Nikon 2216 AF-S DX 18-300 mm
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2", Optolong L-eXtreme 2"
Image scale: 5.618 "/Pixel
Image size: 2717 x 2134
Number of images: 45 x 60s RGB, 139 x 60s Ha/OIII
Total exposure time: 3 h 04 min
Number of darks, flats, darkflats: 20, 20, 20 / 20, 20, 20
Processing software: PixInsight, GIMP

Mel 35
Mel 35
Mel 35

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Nikon 2216 AF-S DX 18-300 mm
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2", Optolong L-eXtreme 2"
Image scale: 5.618 "/Pixel
Image size: 2717 x 2134
Number of images: 45 x 60s RGB, 139 x 60s Ha/OIII
Total exposure time: 3 h 04 min
Number of darks, flats, darkflats: 20, 20, 20 / 20, 20, 20
Processing software: PixInsight, GIMP

Mel 36
Mel 36
Mel 36

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Nikon 2216 AF-S DX 18-300 mm
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2", Optolong L-eXtreme 2"
Image scale: 5.618 "/Pixel
Image size: 2717 x 2134
Number of images: 45 x 60s RGB, 139 x 60s Ha/OIII
Total exposure time: 3 h 04 min
Number of darks, flats, darkflats: 20, 20, 20 / 20, 20, 20
Processing software: PixInsight, GIMP

Mel 37
Mel 37
Mel 37

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 0.597 "/Pixel
Image size: 3994 x 2657
Number of images: 98 x 30s
Total exposure time: 49 min
Number of darks, flats, darkflats: 20, 20, 20
Processing software: PixInsight

Mel 38
Mel 38
Mel 38

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 0.595 "/Pixel
Image size: 4044 x 2637
Number of images: 74 x 30s
Total exposure time: 37 min
Number of darks, flats, darkflats: 20, 20, 20
Processing software: PixInsight

Mel 41
Mel 41
Mel 41

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 0.595 "/Pixel
Image size: 4064 x 2732
Number of images: 87 x 30s
Total exposure time: 43.5 min
Number of darks, flats, darkflats: 20, 20, 20
Processing software: PixInsight

Mel 47
Mel 47

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 0.8x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 120
Offset: 30
Binning: 1x1
Filter: Optolong L-eXtreme 2"
Image scale: 2.487 "/Pixel
Image size: 4144 x 2822
Number of images: 23 x 180s
Total exposure time: 1 h 09 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 51
Mel 51
Mel 51

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 1.965 "/Pixel
Image size: 2524 x 1667
Number of images: 52 x 45s
Total exposure time: 39 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 60
Mel 60
Mel 60

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 0.8x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-eXtreme 2"
Image scale: 2.473 "/Pixel
Image size: 4125 x 2812
Number of images: 39 x 180s
Total exposure time: 1 h 57 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 68
Mel 68
Mel 68

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 1.965 "/Pixel
Image size: 3534 x 2403
Number of images: 20 x 45s
Total exposure time: 15 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 75
Mel 75
Mel 75

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 1.965 "/Pixel
Image size: 3534 x 2403
Number of images: 20 x 45s
Total exposure time: 15 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 85
Mel 85
Mel 85

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 1.965 "/Pixel
Image size: 2933 x 2007
Number of images: 65 x 45s
Total exposure time: 49 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 88
Mel 88
Mel 88

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 1.990 "/Pixel
Image size: 3489 x 2477
Number of images: 98 x 30s
Total exposure time: 49 min
Number of darks, flats, darkflats: 20, 20, 20
Processing software: PixInsight

Mel 94
Mel 94
Mel 94

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 0.595 "/Pixel
Image size: 3699 x 2667
Number of images: 61 x 30s
Total exposure time: 30.5 min
Number of darks, flats, darkflats: 20, 20, 20
Processing software: PixInsight

Mel 111
Mel 111
Mel 111

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Nikon 2216 AF-S DX 18-300 mm
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 7.828 "/Pixel
Image size: 2549 x 1967
Number of images: 12 x 60s
Total exposure time: 12 min
Number of darks, flats, darkflats: 20, 30, 30
Processing software: PixInsight

Mel 119
Mel 119
Mel 119

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 0.613 "/Pixel
Image size: 2975 x 2092
Number of images: 39 x 180s
Total exposure time: 1 h 57 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 150
Mel 150
Mel 150

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 1.990 "/Pixel
Image size: 3979 x 2667
Number of images: 147 x 30s
Total exposure time: 1 h 13.5 min
Number of darks, flats, darkflats: 20, 20, 20
Processing software: PixInsight

Mel 168
Mel 168
Mel 168

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: 16°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 0.620 "/Pixel
Image size: 4079 x 2757
Number of images: 50 x 45s
Total exposure time: 37.5 min
Number of darks, flats, darkflats: 20, 30, 30
Processing software: PixInsight

Mel 220
Mel 220
Mel 220

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: 16°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 0.595 "/Pixel
Image size: 3864 x 2512
Number of images: 49 x 45s
Total exposure time: 37 min
Number of darks, flats, darkflats: 20, 30, 30
Processing software: PixInsight

Mel 226
Mel 226
Mel 226

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: 16°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 0.620 "/Pixel
Image size: 3874 x 2582
Number of images: 34 x 45s
Total exposure time: 25.5 min
Number of darks, flats, darkflats: 20, 30, 30
Processing software: PixInsight

Mel 230
Mel 230
Mel 230

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: 15°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 0.612 "/Pixel
Image size: 3369 x 2292
Number of images: 50 x 45s
Total exposure time: 37.5 min
Number of darks, flats, darkflats: 20, 30, 30
Processing software: PixInsight

Mel 234
Mel 234
Mel 234

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: 14°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 0.620 "/Pixel
Image size: 3809 x 2397
Number of images: 44 x 45s
Total exposure time: 33 min
Number of darks, flats, darkflats: 20, 30, 30
Processing software: PixInsight

Mel 235
Mel 235
Mel 235

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 0.595 "/Pixel
Image size: 3249 x 2137
Number of images: 48 x 45s
Total exposure time: 36 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 236
Mel 236
Mel 236

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 0
Offset: 20
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 1.990 "/Pixel
Image size: 3273 x 2201
Number of images: 30 x 45s
Total exposure time: 22.5 min
Number of darks, flats, darkflats: 50, 50, 50
Processing software: PixInsight

Mel 240
Mel 240
Mel 240

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: Meade SC ACF 203/2032
Reducer/Flattener/Barlow: 0.62x
Camera: ZWO ASI294MC Pro
Chip temperature: 0°C
Gain: 121
Offset: 30
Binning: 1x1
Filter: Optolong LPro 2"
Image scale: 0.620 "/Pixel
Image size: 3749 x 2502
Number of images: 48 x 45s
Total exposure time: 36 min
Number of darks, flats, darkflats: 30, 30, 30
Processing software: PixInsight

Mel 243
Mel 243
Mel 243

Copyright © Sebastian Täubert, CC BY-NC-SA 4.0

Telescope: TS Optics Apo AP 80/480 ED
Reducer/Flattener/Barlow: 1.0x
Camera: ZWO ASI294MC Pro
Chip temperature: -15°C
Gain: 120
Offset: 30
Binning: 1x1
Filter: Optolong L-Pro 2"
Image scale: 1.990 "/Pixel
Image size: 2438 x 1862
Number of images: 313 x 30s
Total exposure time: 2 h 36.5 min
Number of darks, flats, darkflats: 20, 20, 20
Processing software: PixInsight, GIMP