Open star clusters, dark nebulae and a small reflexion nebula in Cassiopeia
NGC 654, NGC 659, NGC 663, IC 166, LDN 1337
The region around the open star clusters NGC 654, NGC 659, NGC 663, and IC 166 in the constellation Cassiopeia is a stunning target in the autumn night sky, also featuring a few impressive dark nebulae, such as LDN 1337.
If you look closely, you can spot the small bluish reflection nebula VdB 6 just above the dark nebula in the lower part of the image.
If you look closely, you can spot the small bluish reflection nebula VdB 6 just above the dark nebula in the lower part of the image.
Awarded Top Pick 
on Astrobin
on AstrobinTake a look at an alternate version including H-Alpha data:
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Image Details
| Date |
November 30 & December 1, 2024 |
| LOCATion |
Hannover (Germany) |
| Sky Quality |
Bortle 5 |
| Telescope |
Celestron RASA 8 (203/400 f/2) |
| Mount |
Skywatcher EQ6-R Pro |
| Main Cameras |
TS 2600 MP Gain 100, Offset 50, -10° ZWO ASI 2600 MC Pro Gain 100, Offset 18, -10° |
| Focuser |
Celestron Motorfocus |
| Processing | Astropixelprocessor, Photoshop, Pixinsight |
| Filter |
Baader UV/IR Cut
|
| Exposure |
RGB: 499 x 60‘ (8h 19‘) Total: 8h 19‘ |
| Guiding |
ZWO ASI 120MM, PHD2 |
| Calibration |
Flats, Darks, Darkflats |
| Software |
N.I.N.A., EQMod |
| Other |
Artesky Filter Holder |
Gallery
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NGC 6914
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IC 447
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Interstellar Shells
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Orion Nebula
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Regulus & Dwarf Galaxy
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Sh2-140
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Sh2-187
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NGC 2403
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NGC 654
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Coathanger, Loch Ness a.o.
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Ghost of Cassiopeia
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Bode's Galaxy
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Butterfly Nebula (IC 1318)
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NGC 3184
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M 38 in HaRGB
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Comet C/2022 E3 (ZTF)
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NGC 7822
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Pinwheel Galaxy
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Cone Nebula
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Aurora
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NGC 4151 & 4145
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Cave Nebula
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NGC 4725, 4747 & 4712
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The Crescent Nebula
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Lion Nebula
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M 13
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Horsehead Nebula (SHO)
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M 35 & NGC 2158
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Sh2-134 Widefield
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NGC 5033 & Friends
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Clamshell Nebula
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The Dark Mermaid
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Loch Ness Nebula
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Heart & Soul Nebula
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Iris Nebula
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Elephant's Trunk Nebula
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NGC 3718
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Flaming Star Nebula
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IC 410
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Andromeda Galaxy
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Leo Triplet
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Jellyfish Nebula
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M 3
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h and χ Persei (HaRGB)
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VDB 14 & 15
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Northamerica Nebula
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M 106
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Sh2-120 & NGC 7031
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NGC 188
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Tulip Nebula
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Markarian's Chain
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Wizard Nebula
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Bubble & Lobster Claw Nebula
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Copernicus
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Mare Imbrium
