Dumbbell Nebula (M 27)

+22° 20′+22° 30′+22° 40′+22° 50′+23° 00′19ʰ 58ᵐ19ʰ 59ᵐ20ʰ 00ᵐ20ʰ 01ᵐDumbbell Nebula (M 27)HD 189733NE
Filters
L25 minR30 minG20 minB20 minHα2 hOIII1 h 50 min
Category

How it was taken

Capture

Date
Exposure
5 h 25 min
Frames
65
Field center
19ʰ 59ᵐ 41ˢ +22° 44′
Field of view
39′ × 33′
Scale
0.78″ per pixel
Rotation
211° from north
Focal length
1000 mm, f/5
Views
355

Equipment

Telescope
Sky-Watcher BK2001P
Camera
ASI ZWO 1600MM Pro
Mount
Sky-Watcher HEQ5 Pro
Filter
ZWO L, R, G, B, Ha, OIII, SII (1.25")
Filter wheel
ZWO EFW 8x31mm
Focuser
ZWO EAF
Guide scope
Sky-Watcher 9x50 Finder
Guide camera
ASI 120mm

Shooting history of M 27Each photo is a separate processing

Since 2015, the exposure has grown from 30 min to 6 h 10 min

  1. 6 h 10 min · 128 frames

  2. 6 h 10 min · 74 frames

  3. 24 Mar 2021this photo

    5 h 25 min · 65 frames

  4. 5 h 25 min · 65 frames

  5. 4 h 55 min · 58 frames

  6. 25 min · 50 frames

  7. 30 min · 60 frames