Gallery Index

M16

Eagle Nebula

A bright emission target in Serpens

TypeNebula ConstellationSerpens SeasonSummer PaletteNarrowband
Image Details

Capture summary

Catalog M16

Nebula in Serpens

Total Exposure 3h 40m

July 19 & 21, 2020

Filters L-Pro

Ha, OIII, SII

Frame 2020

Summer target / wide composition

Exposure Breakdown 3h 40m
  • L-Pro 3h 40m 44 x 300s / July 19 & 21, 2020
  • Totals 3h 40m July 19 & 21, 2020

A classic nebular field with star-forming structure and warm narrowband color throughout the frame.

Acquisition Data

Technical capture details from the public AstroBin record for this image. View on AstroBin.

  • L-Pro: 44 x 300s, 3h 40m, July 19 & 21, 2020
  • Totals: 3h 40m, July 19 & 21, 2020

Equipment and Software

  • Telescope: Explore Scientific ED APO 127mm f/7.5 FCD-1 Alu 2" R&P Focuser
  • Camera: ZWO ASI071MC Pro
  • Mount: iOptron CEM60
  • Software: Adobe Photoshop, PixInsight, N.I.N.A.
  • Guiding optics: Orion ST80
  • Guiding camera: ZWO ASI290MM Mini

Target Planner

Nebula in Serpens; best planned for June through August from New Jersey.

Best season June through August

Summer targets often improve later at night as the Milky Way climbs higher.

Good from NJ Late spring through early autumn

Assumes a New Jersey backyard horizon and evening imaging.

Object type Nebula

Emission nebulae are good candidates for narrowband filters; reflection nebulae prefer darker skies.

Constellation Serpens

M16 is listed here in Serpens.

Moon tolerance Narrowband can tolerate some moonlight.

Current frame: Narrowband / Ha, OIII, SII.

Planning from Sewell, NJ

Calculating target altitude and moon context.

Check your location Open full planner

Use the full planner to enter a ZIP code, choose a date, and compare the target from your sky.

Planning values are approximate and update in your browser.

Planning site Sewell, NJ 39.7700, -75.1400
Current altitude ...

Based on the current time.

Target transit chart Compact altitude curve for this target over a full day. Target ...

Green marks usable dark-sky altitude.

Next transit ...

Next upper transit.

Rise / set ...

Approximate horizon crossing.

Moon now ...

Moon phase and altitude.