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Abell 28

Technical card

Imaging telescope or lens: Celestron C14

Imaging camera: Atik 460EX

Mount: EQ8

Guiding telescope or lens: CELESTRON Travelscope 70/400

Guiding camera: ASI120MM

Focal reducer: Optec NextGEN WideField 0.5X

Software: Astroart 5photoshopPHD guidingStark Labs .Nebulosity 3.1

Filters: Baader Planetarium H-Alpha 7nmHutech IDAS LPS P2 2"

Accessories: BYO HomeobservatoryAtik EFW2 Filter Wheel

Resolution: 1303x1190

Dates: March 28, 2017

Frames: 79x480"

Integration: 10.5 hours

Avg. Moon age: 29.40 days

Avg. Moon phase: 0.02%

Astrometry.net job: 1516307

RA center: 130.381 degrees

DEC center: 58.205 degrees

Pixel scale: 0.911 arcsec/pixel

Orientation: -173.956 degrees

Field radius: 0.223 degrees

Locations: Backyard Observatory, Imatra, kymi, Finland

Description

Abell 28 planetary nebula is very faint object in Ursa Major and you cand find many images of this object. I took 10,5 hour of data with h-alfa filter, i tried also OIII and luminance, but they were absolute zero information.
First image is single 8min light, second inverted is more stretched 79x8min and final is 79x8min vesion. You can nsee from inverted vesion some faint structures at 5 o clock and 1 o clock

Comments

Author

Rauno Päivinen
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Revisions

B

Inverted and more stretched version

C

79x8min h-alfa version

Sky plot

Sky plot

Histogram

Abell 28, Rauno Päivinen