Jones Emberson 1 from my own „Sterntaucher“ observatory
My first project in 2019 was the planetary nebula Jones Emberson 1, located in the constellation Lynx.
![VV47 map](https://wonderfuluniverse.de/wp-content/uploads/2021/03/Lynx_VV47.jpg)
Here is an overview of the used equipment and the exposure times:
Equipment | Telescope 1 | Telescope 2 |
Location and date | Krefeld, March 2019 | Krefeld, March 2019 |
Telescope/Lense | 10″ Newton ohne Namen | TSQ-65ED Apo |
Focal length [mm] | 1000 | 420 |
Focal ratio | 3.9 | 6.5 |
Mount | Skywatcher EQ8 | Skywatcher EQ8 |
Camera | Moravian G2 8300 FW | QSI 583ws |
Autoguiding | DMK21 AU04 on TSQ-65ED | DMK21 AU04 on TSQ-65ED |
Filter | L, Hα+[NII], [OIII] | R, G, B |
Exposure time [min] | 100, 370, 425 | 180, 190, 170 |
Resolution | 1.11″/px | 2.63″/px |
Data calibration and registration and the final processing was done with PixInsight. The RGB Data was upscaled to the luminance data. Hα+[NII] was assigned to the red channel and OIII to the green and blue channel. The result was as follows:
Jones Emberson 1
![Jones Emberson 1](https://wonderfuluniverse.de/wp-content/uploads/2021/03/jner1-2019ga-1024x1024.jpg)
The faintest star in my image has an apparent magnitude of 20.4 magG (DSSR 15).
The two highest redshift quasars [Flesh 2015] in the image are:
SDSS J075910.78+533132.4 z=1.13 magG=18.0 (Gaia DR2)
SDSS J075832.61+533058.8 z=0.58 magG=18.7 (Gaia DR2)
Jones Emberson 1 from DSW observatory
Coincidentally, the same object was imaged by the DSW observatory in the same year. The following equipment was used for this:
Location | Rowe, New Mexico |
Telescope | Takahashi FSQ-106 |
Focal length [mm] | 530 |
Focal ratio | 5 |
Mount | Paramount MyT |
Filter | Hα+[NII]:[OIII]:R:G:B |
Exposure time [min] | 600:900:435:375:390 |
Resolution | 2,08″/px |
Data calibration and registration and the final processing was done with PixInsight. Hα+[NII] was assigned to the red channel and OIII to the green and blue channel. The result was as follows:
Jones Emberson 1 (DSW)
![Jones Emberson 1 (DSW)](https://wonderfuluniverse.de/wp-content/uploads/2021/03/jner1_dsw_2019ga-1024x768.jpg)
The faintest star in the DSW image has an apparent magnitude of 22.0 magG (DSSR 15).
The two highest redshift quasars [Flesh 2015] in the image are:
SDSS J075826.29 +524009.1 z=3.25 magG=20.3 (Gaia DR2)
SDSS J075442.82 +532956.8 z=3.09 magG=20.2 (Gaia DR2)
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