NGC869 & NGC884 - The Double Cluster of Perseus
Object Information
This beautiful pair of open star clusters are found in the constellation Perseus near Cassiopeia. Both clusters are about 7000 light years away in the Perseus spiral arm of the Milky Way and are as few hundred light years apart.
Imaging Info
Optics: TEC 140 @ f5.2 Camera: QHY10 Exposure: 9 x 5 min Mount: AP900/SV70 with Meade DSI Processing: Dark frames subtracted, registered & stacked in Nebulosity; Levels/Curves in PS CS5 Location: Borrego Springs , CA Date: 11/2/13
M13 - The Hercules Cluster
Object Information
M13 (NGC6205) is a very bright globular star cluster found in the "keystone" of the constellation Hercules. It is about 26,000 light years away, extends 150 light years across and contains approximately 500,000 stars! This is definitely a viewable object with naked eyes under very dark skies.
Imaging Info
Optics: HD1100 @ f7 Camera: QSI583 WSG; Exposure: L 6 x 10 min, R 3x10 min, G 3x10 min, B 3x10 min; Mount: AP900/Meade Lodestar guider Processing: Dark Subtract & stack in Nebulosity; Levels & Curves in PS CS5 Location: Tehachapi, CA Date: 5/22/20
M35
Object Information
M35 is a bright open star cluster at the south-western foot of the constellation Gemini. Close by to the lower left lies the smaller but pretty and colorful open star cluster NGC2158.
Imaging Info
Optics: TEC 140 @ f7 Camera: Canon Rebel XT (350D) modified; Type 1a filter ISO: 800 Exposure: 4 x 5 min Mount: G11; ST4 through SV70ED Processing: Dark Subtract & stack in DeepSkyStacker; Curves in PS7 Location: Borrego Springs, CA Date: 11/14/09
M45
Object Information
The Pleiades is a constellation made up of a bright open star cluster easily visible in the winter sky 380 light years away. Also named the Seven Sisters, this cluster's brightest central stars are shrouded in gas clouds that reflect the brilliant blue starlight. Hints of this nebulosity are seen in larger telescopes visually.
Imaging Info
Optics: TEC 140 @ f5.2 Camera: QHY10 Exposure: 10 x 10 min Mount AP900/SV70 with Meade DSI Processing: Dark frames subtracted, registered & stacked in Nebulosity; Levels/Curves in PS CS5 Location: Borrego Springs, CA Date: 11/1/13
M46
Object Information
M46 (also known as NGC2437) is a very large and bright open star cluster just east of the constellation Puppis just east of Canis Major. It's most interesting feature is its unusual and colorful neighbor known as planetary nebula NGC2438 which visually appears embedded directly in the star cluster and provides nice relief to the many bright white stars of M46.
Imaging Info
Optics: TEC 140 @ f7 Camera: Canon Rebel XT (350D) modified; Type 1a filter ISO: 800 Exposure: 6 x 5 min Mount: G11; ST4 through SV70ED Proessing: Dark Subtract & stack in DeepSkyStacker; Curves in PS7 Location: Borrego Springs, CA Date: 11/14/09
Omega Centari Globular Cluster
Object Information
Omega Centauri (NGC5139; C80) is the best and largest globular cluster. It is extremely bright containing more than a million stars and though it is low in the southern horizon in the summer time from northern hemisphere locations it is still much more impressive than M13. It is approximately 16,000 light years away and extends 230 light years across.
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Imaging Info
Optics: Celestron Edge HD1100 @ f7 Cameral: QHY10 Exposure: 5 x 10 min Mount: AP900 with Meade DSI on OAG Processing: Calibration and stacking in Nebulosity; Curves and levels in PS CS5 Location: Prude Ranch, TX (Texas Star Party) Date: 5/4/16