64p 20181013 fhemmerich

Comet 64p/Swift-Gehrels(upper left border) and Andromeda galaxy M31 with molecular clouds. Another approach one day later, now with the much sharper Canon 100mm lens. You can learn more about these clouds with Rogelio Bernal Andreo
Synchronous capturing RGB and hAlpha on an EQ8 (unguided):
(1) RGB: 320 x 30 sec, Canon 200mm F1.8 (@1.8), Sony A7s, ISO 4000
(2) hAlpha: 69 x 180 sec, Canon 100mm F2.8 (@2.8), ASI 1600 mono cooled
Tenerife, 1180 m a.s.l, 2018-10-13 20:40h - 24h UT