All Images Copyright Rod Gallagher Click on image to see full size
NGC 869 and NGC 884 -- Double Cluster
Object
|
Type |
Open Clusters |
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Constellation |
Perseus |
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Distance |
7,600 light years (NGC 869), 7,600 light years (NGC 884) |
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Magnitude |
3.7 (NGC 869), 3.8 (NGC 884) |
|
Size |
30.0 arc-min (NGC 869), 30.0 arc-min (NGC 884) |
|
Notes |
Also known as Caldwell 14 |
Image
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Date |
2013-01-05 |
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Place |
Bixhoma Observatory (H33) |
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Exposure Data |
RGB 30:30:30 mins @ -15C |
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|
R 6x5, G 6x5, B 6x5 mins |
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Notes |
All filters binned 1x1, Created pseudo Lum from RGB data |
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Equipment
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Optics |
Takahashi FSQ-106N |
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Focal Length |
530 mm @f/5.0 |
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Mount |
Takahashi NJP |
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Camera |
SBIG ST-10XME |
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Focuser |
Robofocus |
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Filters |
CFW-10, Astrodon LRGB |
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Software |
TheSky6, CCDSoft, FocusMax, CCDAutopilot5, CCDStack 2+, PixInsight, PhotoShop CS6 |
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Reprocessed on 07/12/2023 |