IC 4715, M24, is sometimes considered an open cluster
in Sagittarius but it is actually a window through the
dust clouds in the Milky Way that allows us to see
stars from the far side of our galaxy. NGC 6603,
a true open cluster, is also visible just above
and to the left of center.
Date: 2 August 2022
FOV: approximately 165' × 110'; the angular size of M24 is about 120' × 60'
Telescope: Stellarvue SVX102T + SFFR.74 reducer (535mm f/5.25)
Guiding: ZWO ASI120MM mini mono guide camera,
Stellarvue F050G 50mm guide scope
Computer: ASIair pro Raspberry Pi
Mount: iOptron CEM40
Camera: ZWO ASI071MC Pro Cooled (-10°C) Color CMOS with gain 90
Filter: Baader Light Pollution Moonglow filter with IR cut
Stacking: Thirty 240 second frames using Deep Sky Stacker
Total Time: 2 hours
Processing: Pixinsight – SPCC, DBE, SPCC, BlurXT, NoiseXT, GHS, HST, MStr
PMath Mstr + GHS + HST, HDR7, Sat, Crop/Scale
Location: Darling Hill Observatory in Vesper, NY