Celestial hemisphere:  Northern  ·  Constellation: Gemini (Gem)
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Medusa Nebula, Abell 21, Jeff McClure
Medusa Nebula, Abell 21
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Medusa Nebula, Abell 21

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Description

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.

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Medusa Nebula, Abell 21, Jeff McClure