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Medusa Nebula, Abell 21, 


            Jeff McClure
Medusa Nebula, Abell 21
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Medusa Nebula, Abell 21

Technical card

Dates:Feb. 3, 2016

Frames: 40x300" bin 0x0

Integration: 3.3 hours

Avg. Moon age: 24.30 days

Avg. Moon phase: 27.87%

Basic astrometry details job: 952832

RA center: 7h 28' 59"

DEC center: +13° 16' 30"

Pixel scale: 1.356 arcsec/pixel

Orientation: -88.308 degrees

Field radius: 0.556 degrees

Resolution: 2406x1706

Locations: Home-Backyard, Salado, Texas, United States


Narrow band, Hubble palette image of Abell 21 shot using a C1100 with Starizona's Hyperstar adapter with filter drawer. Lum shot in hydrogen-alpha 1x1, 600 sec x10. Color shot with SII=Red, Ha=Green, OIII=Blue, binned 2x2, 300 sec x 10 each.



Jeff McClure
License: None (All rights reserved)

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Sky plot


Medusa Nebula, Abell 21, 


            Jeff McClure