astronomy calendar,celestron c 14, astrophotography,
astro photo,
astro photo c 14,
celestron c 14,
apm apo triplet,
large magellanic cloud,
eta carinae nebula,
Kilimanjaro, Kenya,
Andromeda galaxy,
galaxy M 33,
galaxy NGC 891,
crescent nebula,
gerlitzen,
orion nebula,m 42,
eskimo nebula,
bodes galaxy, m 81, m 82,
ngc 6995, ngc 6992,
iris nebula, .astro photo APM APO
Crab Nebula, M1, astrophoto Atik Infinity
Dr Peters Astronomy Calendar
Astronomy Calendar 2023
Astronomy Calendar Crescent Nebula NGC 6888 in Cygnus taken with APM APO 107/700 at Emberger Alm. Canon EOS 550d modified, ISO 1600, 3exp 500sec each The crescent nebula is about 4500LY away, 25LY diameter. Its an emission nebula formed by stellar winds ejected from a red giant star