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This type of Maksutov-Cassegrain's high focal ratio and narrower field of view makes them more suitable for lunar and planetary imaging and any other type of observing where a narrow field high power view is a plus, such as resolving tightly packed globular clusters and double stars. Meade ETX "spot" Maksutov–Cassegrain.
Direct imaging CHXR 73: CHXR 73 b 12.569 +8.379 −5.237: 210 620 2006 Direct imaging ROXs 12: ROXs 12 b 16 ± 4 214 0.83 452 2013 Direct imaging 2MASS J22362452+4751425: 2M2236+4751 b† 11-14 230 205 2017 AO [38] Mu2 Scorpii: Mu2 Scorpii b†l 14.4±0.8 242.4 0.56 474 2022 Direct imaging Ophiuchi 11: Ophiuchi 11 b 21±3 20,000 243±55 400 ...
An alignment suitable for visual observation and short exposure imaging (up to a few minutes) can be achieved with a polar scope. This is a low-magnification telescope mounted co-axially with the mount (and adjusted to maximize the accuracy of this alignment).
Astrophotography, also known as astronomical imaging, is the photography or imaging of astronomical objects, celestial events, or areas of the night sky. The first photograph of an astronomical object (the Moon ) was taken in 1840, but it was not until the late 19th century that advances in technology allowed for detailed stellar photography.
These were switched for the Wide Field and Planetary Camera 2 by the servicing mission STS-61 in December 1993. [1]: 343 WFC3 was originally conceived as an optical channel only; the near infrared channel was added later. WFC3 is intended to ensure that Hubble retains a powerful imaging capability through to the end of its lifetime.
Planet imaging: A large increase in capability is needed to achieve true planet imaging. However, techniques of interferometry show that, in principle, this is possible to achieve. Fifty to one hundred percent of a planet's surface could theoretically be mapped, depending on the planet's inclination .
Direct imaging of an Earth-like exoplanet requires extreme optothermal stability. [60] During the accretion phase of planetary formation, the star-planet contrast may be even better in H alpha than it is in infrared – an H alpha survey is currently underway. [61]
Siril is a software application for astrophotography, which allows pre-processing and processing of images from any type of camera (CCD, planetary camera, webcam etc.). The images must be converted to 32-bit FITS format which is the format used natively by Siril.