Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Lagoon Nebula  ·  M 8  ·  NGC 6523  ·  NGC 6526  ·  The star 9 Sgr
Getting plate-solving status, please wait...
M8 Lagoon Nebula (Hour Glass), kirk@kmellard.com
M8 Lagoon Nebula (Hour Glass)
Powered byPixInsight

M8 Lagoon Nebula (Hour Glass)

Revision title: M8 Lagoon Nebula (HOO)

Getting plate-solving status, please wait...
M8 Lagoon Nebula (Hour Glass), kirk@kmellard.com
M8 Lagoon Nebula (Hour Glass)
Powered byPixInsight

M8 Lagoon Nebula (Hour Glass)

Revision title: M8 Lagoon Nebula (HOO)

Equipment

Loading...

Acquisition details

Loading...

Description

The Lagoon Nebula is a giant interstellar cloud in the constellation Sagittarius. It is classified as an emission nebula and as an Hii region. The Lagoon Nebula was discovered by Giovanni Hodierna before 1654 and is one of only two star-forming nebulae faintly visible to the eye from mid-northern latitudes.
Magnitude: 6
Distance to Earth: 4,077 light years
Apparent magnitude (V): 6
Radius: 55 × 20 ly
Constellation: Sagittarius
Wikipedia

The Hour Glass is visible at center of photograph.

Original Session (8/9/23):
Optolong filter L-Enhance - 32 frames
Optolong filter L-Ultra - 32 frames
Observing:
Windy conditions caused guiding problems and deformation of stars.

Final Session (8/10/23):
Optolong filter L-Pro - 30 frames
Optolong filter L-UHC - 30 frames

Photo Processing:
Pixinsight Integration- Weighted batch processing, Pixinsight rejected 11 frames
RevE: Pixinsight- automatic background extraction, noise exterminator, spectrophotometriccolorcalibration, blur exterminator, histogram transformation.
RevF: Piixinsight- automatic background extraction, spectrophotometriccolorcalibration, noise and blur exterminator, histogram transformation.

Comments

Revisions

  • M8 Lagoon Nebula (Hour Glass), kirk@kmellard.com
    Original
  • M8 Lagoon Nebula (Hour Glass), kirk@kmellard.com
    F
  • Final
    M8 Lagoon Nebula (Hour Glass), kirk@kmellard.com
    G

F

Title: Hubble Like

Description: The image was processed in Pixinsight by extracting into R, G, and B grayscale images. Using Pixelmath, the images were recombined using R in red channel, B in blue channel, and (R+G+B)/3 in the green channel. To remove blue tint, I used automatic background extraction. The image was further sharpened using noise and blur exterminator. The image was finalized with histogram stretch.

Uploaded: ...

G

Title: M8 Lagoon Nebula (HOO)

Description: The image was processed in Pixinsight by extracting into R, G, and B grayscale channels. Ha was assigned to R channel while Oiii was the combination of G and B channels. Pix math was used to combine Ha and Oiii into HOO. Narrowbandnormalization was used to enhance blue and red.

Uploaded: ...

Sky plot

Sky plot

Histogram

M8 Lagoon Nebula (Hour Glass), kirk@kmellard.com