Please capitalize where necessary: the royal observatory had been completed at the cape of good hope in 1828 with the scientific aim to catalogue interesting astronomical objects which could not be observed from the northern hemisphere.
A: The Royal Observatory had been completed at the Cape of Good Hope in 1828 with the scientific aim to catalogue interesting astronomical objects which could not be observed from the northern hemisphere.

Q: i20083539 industry product, in galv steel, for surface mounting, ip44, light source led, lumen out 3699lm, ballast type hf = high frequency, with light source type cri>80, 4000k, optic type op = opal, with acrylic diffuser. i20-1200led3600hf840op

A: I20083539 Industry product, in Galv Steel, for Surface mounting, IP44, light source LED, lumen out 3699lm, ballast type HF = High frequency, with light source type CRI>80, 4000K, optic type OP = Opal, with Acrylic diffuser. i20-1200LED3600HF840OP

Q: ideally, the soil should be kept moist down to the roots for the following 14 days.
A: Ideally, the soil should be kept moist down to the roots for the following 14 days.

Problem: for more information visit the website of the danish medicines agency.
Can you repeat this sentence, but capitalize it?
Answer: For more information visit the website of the Danish Medicines Agency.

Text: born is a hotbed of attractions, but one of the most impressive in its collection is without a doubt the church santa maria de mar, an extraordinary construction of beauty and one of the most true examples of the catalan gothic movement.

Correct capitalization: Born is a hotbed of attractions, but one of the most impressive in its collection is without a doubt the church Santa Maria de Mar, an extraordinary construction of beauty and one of the most true examples of the Catalan Gothic movement.

Problem: mariner 4, launched in late 1964, flew past mars on july 14,
Can you repeat this sentence, but capitalize it?
Answer:
Mariner 4, launched in late 1964, flew past Mars on July 14,