Planetary Nebula NGC 2392

NGC 2392 in Gemini

Type: Planetary Nebula

Magnitude: 10.1

Apparent Size: 54" (as measured in AA)
Distance: 880 pc
Physical size: ~.62 ly

Dates acquired: April 10 & 12, 2023

Camera: Starlight Xpress SX-694 (1x1 binning)
Guider: Starlight Xpress Lodestar off-axis.
Scope: Astrotech AT10RC @F/7.8 (1987mm)

Mount: Losmandy Titan w/Gemini-2

Filters: Astronomik Ha 6nm ,OIII 12nm, Idas LPS-D3
Exposures: Ha= 92 min. OIII= 92 min both 60" & 120"

Cropped F.O.V. = 8.55' x 8.55' @.47" arc/pixel
Acquired, calibrated, stacked (avg) in Astroart 8

Processing Notes:

Calibrated with Bias & Defect Map only.
Log stretch

Ha:OIII:OIII color combine.

Below are 2 comparison images of NGC 2392 superimposed onto the Moon for scale reference.

It was tricky getting the nebulas colors & brightness to be visible compared to the Moon as both original .FIT images (64bit) have different histogram shapes.

NGC 2683 in Lynx

NGC 2683 in Lynx

Dates acquired: April 10 & 12, 2023

Camera: Starlight Xpress SX-694 (2x2 binning)
Guider: Starlight Xpress Lodestar off-axis.
Scope: Astrotech AT10RC @F/7.8 (1987mm)

Mount: Losmandy Titan w/Gemini-2

Filters: Astronomik L Type 2c & Idas LPS-D3
Exposures: L= 66 min. total, avg. over 2 nights
F.O.V. = 21.53' x 17.24' @.94" arc/pixel
Acquired, calibrated, stacked (avg) in Astroart 8

Processing Notes:

Calibrated with Bias, Flats & Defect Map.
Log stretch

Linear gradient correction

The seeing on 4/10/2023 was better than on 4/12 as can be seen between the 2 images.

I wish I could have gotten at least 2hrs. on the first night. Bortle 7 Skies.

66 minutes FWHM 3.7 pixel

18 minutes FWHM 2.9 pixel

NGC 2683

Magnitude: 10.6
Spiral classification: SA
Apparent Size: 9.3' x 2.2'
Distance: 9.4 Mpc
Physical size: ~37.5 kpc

M105, NGC 3384 & NGC 3389

M105, NGC 3384 & NGC 3389 in Leo

Date acquired: April 24, 2022

Camera: Starlight Xpress SX-694 (2x2 binning)
Guider: Starlight Xpress Lodestar off-axis.
Scope: Astrotech AT10RC @F/7.8 (1987mm)

Mount: Losmandy Titan w/Gemini-2

Filters: Astronomik LRGB Type 2c
Exposures: L= 74 min. R,G&B= 14min each (all 2 minute sub-exposures)
F.O.V. = 21.53' x 17.24' @.94" arc/pixel
Acquired, calibrated, stacked (avg) & LRGB in Astroart 8

Processing Notes:
Log stretch on Luminance.

Adaptive gradient correction on RGB

NGC 2419

NGC 2419 Globular Cluster in Lynx
Magnitude: 10v
Apparent Size: 5' (~2' in H9 image)
Distance:~ 275,000 ly
Physical size: ~520 ly.

Date acquired: April 22, 2020
Camera: Starlight Xpress SXVF-H9
Guider: Starlight Xpress Exview
Scope: Celestron C8 @ F6.2 (1257mm)
Mount: Ioptron iEQ45 w/belt mod.
Filters: None
Exposures: 19 x 1 min. unbinned
Acquired, stacked (avg.) in Astroart 7
F.O.V. = 24.5' x 18.3' @ 1.06 arc"/Pixel

Processing Notes:
Log stretch only.

NGC 6656 (M22)

NGC 6656 (M22) Globular Cluster in Sagittarius
Date acquired:  July 27, 2019
Camera: Starlight Xpress SX-694 (2x2 binning)
Guider: Starlight Xpress Lodestar off-axis.
Scope: Astrotech AT10RC @F/7.8 (1987mm)

Mount: Losmandy Titan

Filter: Astronomik L Type 2c
Exposure 20x60" (20 minutes)
F.O.V. = 21.58' x 17.29' @.94" arc/pixel
Acquired, calibrated, stacked (avg) in Astroart 7
Altitude Mid-Exposure 22deg
Moon Age: 25 days (not in sky)

NGC 6656 (M22)

Magnitude: 5.1
Object Type: Class VII Globular
Apparent Size: 32'
Distance: 10.6K ly

Physical size: ~100 ly

I don't have any info. on the weather conditions when the images were acquired but the following pics show the location of M22 from my backyard location along with the amount of light pollution I image through.

1/4" exposure

8" exposure

NGC 3115

NGC 3115 "The Spindle Galaxy" in Sextans Date acquired:  May 4, 2020

Camera: Starlight Xpress SXVF-H9

Guider: Starlight Xpress Ex-View off-axis.

Scope: Celestron C8 @ F5.5 (1113mm)

Mount: Ioptron iEQ45

Filter: Idas-P2 light pollution suppression.

L= 60x30"
F.O.V. = 27.75' x 20.74' @1.20" arc/pixel

Acquired, calibrated, stacked (avg) in Astroart 7

12 day old moon 42 deg. away in Virgo

NGC 3115 (Caldwell 53)

Magnitude: 9.1
Spiral classification: S0 (Lenticular)
Apparent Size: 8.3' x 3.2'
Distance: 9.7 Mpc
Physical size: ~80 Kly

Soap Bubble Nebula

(PN G75.5+1.7) a planetary nebula in Cygnus
Magnitude: 12v
Apparent Size: 260"
Distance:~ 4,000 ly
Physical size: ~5 ly.

Date acquired: Sept. 6, 2015
Camera: Starlight Xpress SXVF-H9
Guider: Starlight Xpress Exview
Scope: Astrotech AT10RC @ F8 (2000mm)
Mount: Losmandy Titan w/Gemini-II
Filters: Astronomik Ha (6nm) & Oiii (12nm)
Exposures: 10 x 7 min. Oiii, 8 x 7 min. Ha (2x2 binning)
Acquired, stacked (sum) and RGB combined in Astroart 5
F.O.V. = 15.5' x 11.6' @ 1.32 arc"/Pixel

Processing Notes:
Each channel; Sum stack with hot pixel filter.
Log stretch
color combined Ha=R, Ha+Oiii=G Oiii=B