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Melotte 15 – Open Cluster

Zdobienie / Decoration
Melotte 15 disp. imag.

Melotte 15 – Open Cluster

Located in the constellation Cassiopeia, approximately 6,000 light-years from Earth. It is an extremely young star cluster with an average age of 1.5 million years. Located very close to the center of the Heart Nebula, precisely it is about 50 light-years ahead of the nebula. Melotte 15, contains a few bright stars nearly 50 times mass of our Sun, and many more dim stars that are only a fraction of our Sun’s mass. Melotte 15 is one of the association core clusters Cas OB6. This cluster is more nebular in nature.

Melotte 15

Melotte 15 – Open Cluster in the center of the Heart Nebula

Own translation based on source: https://pl.wikipedia.org/wiki/Melotte_15

Technical information

  • Date: 12.2020
  • Composition: APP,
  • Processing: APP + RT + GIMP + add-ons (Linux),
  • Total exposure time minus defective light frames: 4h 36min.
  • Lights: 238
  • Calibration frames: Flats, Bias, Darks
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SynScan GOTO v4 controller – trouble with buttons

At some point while using the controller, I noticed that the ESC button wasn’t always working. I lived with it, but after a while, the left Ra button also started acting up and wouldn’t always connect. A red flag went up in my head – something needed to be done. It’s worth noting that the problems appeared right after the warranty period ended… coincidence?

EQDIRect - self made - in use

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Rosette Nebula - NGC 2237 - Caldwell 49

Rosette Nebula – NGC 2237 – Caldwell 49

By way of introduction to the Rosette Nebula

In this article, I have gathered in one place the most interesting information about the entire nebula and its selected regions. The information contained in this content is my own compilation based on collected data.

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SynScan - PCB - pads

SynScan GOTO v4 controller – trouble with buttons

At some point while using the controller, I noticed that the ESC button wasn’t always working. I lived with it, but after a while, the left Ra button also started acting up and wouldn’t always connect. A red flag went up in my head – something needed to be done. It’s worth noting that the problems appeared right after the warranty period ended… coincidence?

EQDIRect - self made - in use

EQDIRect for NEQ / EQ mounts

The GOTO controller is extremely convenient and practical to use, when you want to look at interesting night sky objects, with your own eye through the eyepiece mounted in the telescope’s focuser. The ability to quickly select an object using the GOTO controller, is invaluable.

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