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| Classification: |
Diffuse Emission Nebula, M16, M17, Sh2-54 |
| Constellation: |
Serpens (SER) Sagittarius (SGR) |
| Object Location: |
Ra 18h 20m 16s Dec -13° 47’13” (current) |
| Size & Distance: |
M16, 70 x 50 arcmins, Apx 5000-6000 light years |
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| Date & Location: |
07-18/19/24/25-2025 Lockwood Observatory, Descanso,CA. |
| Exposure: |
SHO 375-210, 255, S2=25x15, Ha=14x15, O3=17x15 (bin 2x2) |
| Optics: |
Takahashi FSQ106-EDX4 / 645 reducer @ f3.6 385mm / / FLI-Atlas focuser |
| Mount: |
Astro-Physics 1100GTO-AE CP4 / ATS 10x36 Pier. |
| Camera: |
Moravian C3-61000 Pro / EFW-3L-7/ Guided by ZWO 174mini / w OAG. |
| Filters: |
Astrodon 50x50 3nm Ha-S2-O3 |
| Software: |
MaxImDL, CCDStack, Photoshop CC, PI. |
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| Notes: |
Sky conditions: Average, SQM was 21.23 Temp low 50’s
Image Field of view is 324 x 216 arcmin. Image Scale 4.06
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M16, the Eagle Nebula is a diffuse emission nebula M17, the Omega or Swan Nebula is an H II region, both sit at about 5700 light-years and while there are many objects in this field of view, they are the center point of this image. Other objects are NGC 6604, IC 4701, Sh2-47, Sh2-48, Sh2-53, Sh2-54 and way up in the upper left is the PLN 16.1.1.
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