Widefield image of a region of Cepheus with special interest in van den Bergh 152 (vdB 152, also known as Cederblad 201, or the Wolf's Cave Nebula), the blue reflection nebula on the right-center and Dengel-Hartl 5 (DeHt5, PK 111 +11.1) the planetary nebula on the bottom (a bit on the left), but including also many other interesting objects: LDN1217, LDN1219, B175…Read more,
Van den Bergh 141 (VdB141, also designated as Sh2-136) The Ghost Nebula, is a reflection nebula located in the constellation Cepheus. I really like this region of Cepheus and the image I took of it in 2010 has been my desktop wallpaper all these years ... Read more,
I first imaged NGC 4449 in 2010 as part of one of my first collaborations with Dr. David Martinez Delgado. You can see my image from then in a post on my old blog with information about the scientific work on the “stellar tidal stream around NGC 4449” by clicking here (I recommend taking a look to the close up view (0.202"/pixel scale) of image taken by 8.2 meter Subaru telescope... Read more,
This is just a copy of the original 2011 post on my old blog about research led by Dr. David Martínez Delgado, for easier access from my upcoming post of a new image of NGC 4449... Read more,
For a while, I have been looking to incorporate a second camera inside my observatory in order to be able to see the movement of the mount/telescope assembly from another angle and also to be able to do so without supporting LEDs (to avoid interfering with the imaging).
The camera I have installed is an ANNKE NCPT500... Read more,
NGC 4038 & NGC 4039, the Antennae Galaxies (also known as Caldwell 60 & 61 and Arp 244) are two large galaxies in the southern constellation of Corvus that are colliding.
These galaxies are known as Antennae Galaxies because of the two long tails of stars, gas and dust that they eject as a result of their collision... Read more,
KELT-23 Ab: My first exoplanet transit (confirmed and published).
KELT-23 Ab is a gas giant orbiting BD+66 911, a G-type star (some studies indicate it is G2V-type) with a size very close to that of our Sun (Mass=0.942 Msun, Radius=0.996 Rsun).
It is 412 light-years away from us and takes only 2.3 days to complete one orbit around its star. Its discovery was announced in 2019.
Its mass is 0.938 times that of Jupiter and the distance to its star is 0.03302 AU.
Transit taken remotely on 23/03/2024 (with Moon at 98%) with TOA-150 telescope and STL-11000M camera.
