Asteroid (101) Helena

Asteroid (101) Helena

(101) Helena is a 11th magnitude Asteroid currently in the constellation Perseus. It s a small asteroid, roughly 66 kilometers across and has an average distance of 2.6 AU. (101) Helena is a main belt asteroid orbiting the Sun between Mars and Jupiter every 4.2 years.

2018-11-27 17:30-22:00
Clear, rising moon, no wind, 85% humidity, -7 degrees C

205x60s using various filters

Camera: ASI1600MM-COOL+ZWO EFWmini, Baader R,G,B,IDAS LPS-D1, gain 200, offset 50, -20C
Lens: Sky-Watcher Esprit 80ED + Sky-Watcher field flattener
Mount: HEQ5 Pro
QHY 5L-II-M auto guider and Celestron 80mm guide scope
Software: Sequence Generator Pro, PixInsight, Photoshop
Location: Borås, Sweden

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